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Math Help - Basic Calculus Help Please

  1. #1
    Bar0n janvdl's Avatar
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    Basic Calculus Help Please

    Jhevon did explain this to me, i think, but i forgot it again.

    Let's say we want to find the derivative of  sin^3 (5x^2 - 4x)

    now that becomes  3(sin(5x^2 - 4x))^2 . cos(5x^2 - 4x) . (10x - 4)

    But if it was just  sin(5x^2 - 4x) would it have become:

     cos(5x^2 - 4x) . (10x - 4) ?
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by janvdl View Post
    Jhevon did explain this to me, i think, but i forgot it again.

    Let's say we want to find the derivative of  sin^3 (5x^2 - 4x)

    now that becomes  3(sin(5x^2 - 4x))^2 . cos(5x^2 - 4x) . (10x - 4)

    But if it was just  sin(5x^2 - 4x) would it have become:

     cos(5x^2 - 4x) . (10x - 4) ?
    Jhevon must have done a good job at explaining it. (No great surprise!) You did it perfectly.

    -Dan
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